Pro-Russian armed men walk down a street in central Slaviansk. Ukrainian Prime Minister Arseny Yatseniuk accused Russia on Friday of wanting to start World War 3 by occupying Ukraine "militarily and politically". Picture: Gleb Garanich

Kiev - One person died from gunshot wounds in the southern Ukrainian port city of Odessa on Friday during clashes between pro-Russian militants and hundreds of people holding a rally for national unity, officials said.

“During the confrontation, stones, Molotov cocktails and explosive devices were used... one man was shot in his right lung. The victim died before the ambulance could reach him,” the interior ministry said in a statement.